Radiant|Natural|GIA

1.20ct J SI1 Radiant Natural Diamond

GD • J/SI1 • GIA 6475668770

Certificate GIA 6475668770

Diamond specifications and retailer prices

From $3,587 USD
As of November 1, 2026
Save $1,943 USD (35%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,839 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6475668770. Listed at 17 retailers as of October 31, 2026, with a 54% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
J
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6475668770
Dimensions7.61 × 5.21 × 3.56 mm
L/W Ratio1.46
Top View
7.61 mm5.21 mm1.20 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6475668770
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,090 USD|Low: $3,135 USD|High: $7,253 USD|Avg: $4,877 USD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$3,655 USD
Retailer 6$3,763 USD
Retailer 7$4,536 USD
Retailer 2$4,603 USD
Retailer 1$5,090 USD
Retailer 4$5,530 USD
Retailer 3$7,167 USD

42 data points across 7 retailers

17 retailers$3,587 USD to $5,530 USD

B
Cheapest Retailer
-
$3,587 USD
B
Retailer 2
-
$3,655 USD
View
B
Retailer 3
-
$3,763 USD
View
Final sale: no returns
B
Retailer 4
-
$3,828 USD
View
B
Retailer 5
-
$4,063 USD
View
B
Retailer 6
-
$4,076 USD
View
B
Retailer 7
-
$4,076 USD
View
B
Retailer 8
-
$4,076 USD
View
C
Retailer 9
-
$4,314 USD
View
Retailer 10
-
$4,536 USD
A$6,978 AUD
View
Price last confirmed 24 days ago
C
Retailer 11
-
$4,579 USD
View
B
Retailer 12
-
$4,603 USD
£3,624 GBP
View
C
Retailer 13
-
$4,703 USD
View
B
Retailer 14
-
$5,090 USD
€4,848 EUR
View
B
Retailer 15
-
$5,530 USD
ZAR 89,345 ZAR
View
Retailer 16
-
$7,167 USD
£5,643 GBP
View
Price under review
Most Expensive
NZ Jewellers
a4826539-1467-41f2-a2c9-43a3acf3d3f2 · Oct 30
$7,839 USD
View
Price under review
16 more retailers have this diamond
Prices start from $3,587 USDSave up to $1,943 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.20ct Radiant
$3,587 USD